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Finding the Third Proportional to 47.88 and 108.50

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Solution

The third proportional to 47.88 and 108.50 is: 245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.88 : 108.50 = 108.50 : x
  2. Step 2: Convert to fraction form
    47.88/108.50 = 108.50/x
  3. Step 3: Cross multiply
    47.88x = 108.50 × 108.50
  4. Step 4: Simplify right side
    47.88x = 11,772.25
  5. Step 5: Solve for x
    x = 11,772.25/47.88
  6. Step 6: Final answer
    x = 245.90

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.